阅读:1725回复:3
新手提问
<P>请教各位大虾,如何知道SHAPE 文件都有哪儿些字段名,dbf文件如何打开,谢谢!!</P>
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1楼#
发布于:2005-01-13 22:15
使用foxpro打开
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2楼#
发布于:2005-01-14 10:04
<P>dbf文件用可以用excel直接打开吧</P>
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3楼#
发布于:2005-01-14 10:56
A shapefile stores nontopological geometry and attribute information for the spatial
features in a data set. The geometry for a feature is stored as a shape comprising a set of vector coordinates. Because shapefiles do not have the processing overhead of a topological data structure, they have advantages over other data sources such as faster drawing speed and edit ability. Shapefiles handle single features that overlap or that are noncontiguous. They also typically require less disk space and are easier to read and write. Shapefiles can support point, line, and area features. Area features are represented as closed loop, double-digitized polygons. Attributes are held in a dBASE® format file. Each attribute record has a one-to-one relationship with the associated shape record. |
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